- Definitions|1
- Thesaurus|474
- Abbreviations|0
74 entries under tough topic. ×
| adamantine(adjective, determined, resolute, stubborn) | |
| contrary(adjective, difficult, determined, awkward) | |
| determined(adjective, firm, deliberate, usual) | |
| rigid(adjective, mean, hard, firm) | |
| unrelenting(adjective, mean, hard, firm) | |
| unbending(adjective, mean, hard, determined) | |
| wayward(adjective, difficult, awkward, obstinate) | |
| contumacious(adjective, firm, determined, unreasonable) | |
| hard(adjective, mean, harsh, determined) | |
| resolute(adjective, determined, usual, regular) | |
| balky(firm, unreasonable, grim, inflexible) | |
| inexorable(adjective, mean, hard, determined) | |
| persevering(adjective, firm, determined, unreasonable) | |
| persistent(adjective, firm, determined, unreasonable) | |
| relentless(adjective, mean, hard, determined) | |
| uncooperative(adjective, mean, hard, difficult) | |
| firm(adjective, mean, hard, determined) | |
| fixed(adjective, mean, hard, firm) | |
| hard-nosed(adjective, mean, hard, determined) | |
| implacable(adjective, mean, hard, firm) |
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| APA | Smart Define. (2015). pigheaded thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/pigheaded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pigheaded thesaurus" https://smartdefine.org/pigheaded/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, pigheaded thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/pigheaded/thesaurus/synonyms>. |
| MLA | Smart Define. "pigheaded thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/pigheaded/thesaurus/synonyms> |